• 2022-06-06
    An order ___________ by me.
    A: has placed
    B: has been placed
    C: was placing
    D: places
  • B

    内容

    • 0

      The local government has always placed a strong emphasis ________education and vocational training.

    • 1

      Reinforced concrete has steel bars that are placed in the concrete to carry tensile forces.

    • 2

      In recent years, our country has placed great importance on ______ growth. (economy)

    • 3

      The local government has always placed a strong emphasis______education and vocational training. A: with B: fo C: on D: to

    • 4

      Prestressing by()involves installing and stressing prestressing strand of bar tendons only after the concrete has been placed, hardened and attained a minimum compressive strength for that transfer.